The method that he will correctly choose to calculate his average price per share from the monthly share prices is: Harmonic mean.
Harmonic mean can be defined as a method that is used by companies or organization to determine average price per share.
Formula for harmonic mean is:
Harmonic mean=Number of observations ÷ Number of series
Therefore Harmonic mean is use to find average price.
Learn more about harmonic mean here:https://brainly.com/question/26491057
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